Fix Caps Lock bug

ash/accelerators/accelerator_controller.cc

Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
index 4629356c726696c08b0915debd453c86d51df4c8..4e06455c59a0d117434af3e32157e1a62d03a814 100644
--- a/ash/accelerators/accelerator_controller.cc
+++ b/ash/accelerators/accelerator_controller.cc
@@ -551,6 +551,8 @@ bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator,
                              const ui::Accelerator& previous_accelerator) {
   chromeos::input_method::InputMethodManager* ime =
       chromeos::input_method::InputMethodManager::Get();
+  if (!ime)
+    return false;
 
   // This shortcust is set to be trigger on release. Either the current
   // accelerator is a Search release or Alt release.
@@ -563,7 +565,7 @@ bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator,
             ui::Accelerator::KeyState::PRESSED &&
         (previous_accelerator.key_code() == ui::VKEY_LWIN ||
          previous_accelerator.key_code() == ui::VKEY_MENU)) {
-      return ime && ime->GetImeKeyboard();
+      return ime->GetImeKeyboard();
     }
   }
 
@@ -577,10 +579,16 @@ bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator,
             ui::Accelerator::KeyState::PRESSED &&
         (previous_accelerator.key_code() == ui::VKEY_LWIN ||
          previous_accelerator.key_code() == ui::VKEY_MENU)) {
-      return ime && ime->GetImeKeyboard();
+      return ime->GetImeKeyboard();
     }
   }
 
+  // Caps Lock release
+  if (accelerator.key_code() == ui::VKEY_CAPITAL &&
+      accelerator.key_state() == ui::Accelerator::KeyState::RELEASED) {
+    return ime->GetImeKeyboard();
+  }
+
   return false;
 }